Granted Patent
Utility
US 4,265,274 · App. 06/072,439
Pulsation dampener for low output systems
Inventor:
Abduz Zahid
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Sep 4, 1979
Inventor
Abduz Zahid
Assignee (at issue)
Greer Hydraulics, Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.